if you are looking for the definition it is: Various structures in different species having the same function but have evolved separately.
Examples: wings of an insect and birds used for flying.
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It seems that you haven't attached the given options for this question, but I hope this answer will help you find the correct answer. When we say protist, these are the organisms that are classified in the kingdom Protista. A pseudopod is <span>an extension of the plasma membrane by which certain cells locomote and engulf prey. An example for this organism would be amoebas. Hope this helps.</span>
Answer: A helium balloon rises because helium is less dense than air. A balloon filled with regular air, however, is denser than the surrounding air because the air inside it is under pressure.
Explanation: i looked it up for you so i could make sure it was right for you hope this helps!!!!!!!!!!!
Answer: A. endocarditis
Explanation:
Endocarditis is the inflammatory process of the endocardium, especially that located in the heart valves. There are several factors causing endocarditis, the most frequent and lethal being endocarditis caused by infectious agents. The most common mechanism is endothelial injury due to blood flow turbulence, be the one generated by a defective valve (rheumatic, bicuspid aortic valve, dysfunctional valve prosthesis), or by any congenital anomaly that causes flow turbulence (interventricular communication, obstructive hypertrophic cardiomyopathy, aortic coarctation).
The most common site of injury, and therefore the most frequent site of vegetation formation, is at the closing line of a valve, usually on the atrial surface of the atrioventricular valves or on the ventricular surface of the ventriculoarterial valves. With the endothelial lesion occurs the formation of a sterile thrombus, which can be colonized by bacteria that multiply there, turning the thrombus into vegetation. These vegetations are avascularized, making the treatment of endocarditis difficult due to the low access of antibiotics to microorganisms.
